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30321245000 = 2354192313877
BaseRepresentation
bin11100001111010010…
…010111101101001000
32220021010202211200002
4130033102113231020
5444044214320000
621532425302132
72122250221124
oct341722275510
986233684602
1030321245000
111194a609172
125a62634948
132b22ac0bb7
141678d8c584
15bc6e328d5
hex70f497b48

30321245000 has 160 divisors (see below), whose sum is σ = 78038769600. Its totient is φ = 10989792000.

The previous prime is 30321244951. The next prime is 30321245011. The reversal of 30321245000 is 54212303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2178062 + ... + 2191938.

It is an arithmetic number, because the mean of its divisors is an integer number (487742310).

Almost surely, 230321245000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30321245000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39019384800).

30321245000 is an abundant number, since it is smaller than the sum of its proper divisors (47717524600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30321245000 is a wasteful number, since it uses less digits than its factorization.

30321245000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13945 (or 13926 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 30321245000 its reverse (54212303), we get a palindrome (30375457303).

The spelling of 30321245000 in words is "thirty billion, three hundred twenty-one million, two hundred forty-five thousand".

Divisors: 1 2 4 5 8 10 19 20 23 25 38 40 46 50 76 92 95 100 115 125 152 184 190 200 230 250 380 437 460 475 500 575 625 760 874 920 950 1000 1150 1250 1748 1900 2185 2300 2375 2500 2875 3496 3800 4370 4600 4750 5000 5750 8740 9500 10925 11500 11875 13877 14375 17480 19000 21850 23000 23750 27754 28750 43700 47500 54625 55508 57500 69385 87400 95000 109250 111016 115000 138770 218500 263663 273125 277540 319171 346925 437000 527326 546250 555080 638342 693850 1054652 1092500 1276684 1318315 1387700 1595855 1734625 2109304 2185000 2553368 2636630 2775400 3191710 3469250 5273260 6064249 6383420 6591575 6938500 7979275 8673125 10546520 12128498 12766840 13183150 13877000 15958550 17346250 24256996 26366300 30321245 31917100 32957875 34692500 39896375 48513992 52732600 60642490 63834200 65915750 69385000 79792750 121284980 131831500 151606225 159585500 164789375 199481875 242569960 263663000 303212450 319171000 329578750 398963750 606424900 659157500 758031125 797927500 1212849800 1318315000 1516062250 1595855000 3032124500 3790155625 6064249000 7580311250 15160622500 30321245000